反应详情

To a solution of the product of Step E (150 mg, 0.3 mmol) in ethanol (3 mL) was added PtO2 (6.8 mg, 0.03 mmol) at room temperature under H2 atmosphere for 2 h. The solid was filtered off and the filtrate was concentrated in vacuo to give the title compound as colorless oil. LC/MS m/z=499.2[M+H]+.

1. filtrationThe solid was filtered off
2. concentrationthe filtrate was concentrated in vacuo